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# Engineer Backend (Security Services)

- **Company:** T-Systems Iberia
- **Location:** Barcelona, Spain
- **Contract:** Permanent contract
- **Skills:** Agile Methodology, Cloud Computing, Cloud Engineering, Cyber Security, Computer Programming, DDoS Mitigation, Linux, Intrusion Detection Systems, Routing, OpenStack, Firewalls (Computer Science), Backend, Containerization, Infrastructure Automation Frameworks, Free and Open-Source Software
- **Published:** October 31, 2026
- **Apply:** https://www.buscojobs.com.es/engineer-backend-security-services-m-f-d-en-barcelona-ID-377552358

## About the Role

Completed studies in a technical, engineering or scientific subject or comparable professional training.
7 years of professional experience in IT and securing Linux OS with a focus on modern cloud technologies.
Very good knowledge of software defined networks, routing, firewalls, IDS/IPS, Anti-DDoS, WAF and physical networks.
Extensive knowledge in infrastructure automation.
Strong experience in Linux and network related services and IT-Security.
High level of customer focus.
Knowledge of agile development processes.
Ability to assess technical solutions and come up with creative approaches.
OpenStack and programming experience in open source projects is a plus.
Fluency in written and spoken English.

## Description

Full-timeCompany DescriptionT?Systems is part of the Deutsche Telekom Group, with around ****** employees worldwide. We create technology with purpose to generate a positive impact on society. We are looking for curious talent, eager to learn, take on challenges, and contribute ideas that transform our customers' experience.We trust people: we offer autonomy, continuous support, and a collaborative environment where you can grow without limits. We are one global team, guided by respect, integrity, and a passion for doing better every day.Job DescriptionAs an Engineer you understand the latest developments in cloud and container technology. You will develop and enhance our T Cloud Public platform in a customer-oriented manner.You want:Solve complex problems in the daily operation of a hyper-scaler's cloud backend.Work hardware-oriented at the console and get your hands \"dirty\".Develop and operate monitoring and quality assurance.Consistently automate with common automation frameworks.Work in a team of specialists where everyone helps each other in an open and trusting manner.QualificationsCompleted studies in a technical, engineering or scientific subject or comparable professional training.7 years of professional experience in IT and securing Linux OS with a focus on modern cloud technologies.Very good knowledge of software defined networks, routing, firewalls, IDS/IPS, Anti-DDoS, WAF and physical networks.Extensive knowledge in infrastructure automation.Strong experience in Linux and network related services and IT-Security.High level of customer focus.Knowledge of agile development processes.Ability to assess technical solutions and come up with creative approaches.OpenStack and programming experience in open source projects is a plus.Fluency in written and spoken English.Additional InformationWhatdoweofferyou?T-Social: socialinitiatives(sports,community,health, ...).Hybridworkmodel(remote/on-site).Flexibleworkinghours.Growth&developmentWeeklylanguageclasses(English & German).InternationalMentoringSessions&ExperienceDays.Flexiblecompensationplan (healthinsurance,mealvouchers,childcare,transport).Socialfund.Wellbeing& time off26+workingdaysofvacationperyear.#J-*****-Ljbffr